It's rounded. Here's some more shots so you have a better idea how it's shaped.
http://i1283.photobucket.com/albums/...pscb9de137.jpg
http://i1283.photobucket.com/albums/...psd3913202.jpg
http://i1283.photobucket.com/albums/...ps8de7f65b.jpg
http://i1283.photobucket.com/albums/...psde6dc600.jpg